diff options
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index e95fdfc1acb7..7c0e3b6292ef 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -113,7 +113,9 @@ struct ext4_allocation_request { unsigned int flags; }; +#define DIO_AIO_UNWRITTEN 0x1 typedef struct ext4_io_end { + struct list_head list; /* per-file finished AIO list */ struct inode *inode; /* file being written to */ unsigned int flag; /* sync IO or AIO */ int error; /* I/O error code */ @@ -692,6 +694,11 @@ struct ext4_inode_info { __u16 i_extra_isize; spinlock_t i_block_reservation_lock; + + /* completed async DIOs that might need unwritten extents handling */ + struct list_head i_aio_dio_complete_list; + /* current io_end structure for async DIO write*/ + ext4_io_end_t *cur_aio_dio; }; /* @@ -1424,7 +1431,7 @@ extern int ext4_block_truncate_page(handle_t *handle, struct address_space *mapping, loff_t from); extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf); extern qsize_t ext4_get_reserved_space(struct inode *inode); - +extern int flush_aio_dio_completed_IO(struct inode *inode); /* ioctl.c */ extern long ext4_ioctl(struct file *, unsigned int, unsigned long); extern long ext4_compat_ioctl(struct file *, unsigned int, unsigned long); |